<template>
	<div>
		<header class="header">
			<!-- 头部的第一行 -->
			<div class="top">
				<div class="container">
					<div class="loginList">
						<p>尚品汇欢迎您！</p>
						<p v-if="!userName">
							<span>请</span>
							<router-link to="/login">登录</router-link>
							<router-link to="register" class="register">免费注册</router-link>
						</p>
						<p v-else>
							<a>{{ userName }}</a>
							<a @click="logout"> | 退出登录</a>
						</p>
					</div>
					<div class="typeList">
						<router-link to="/center">我的订单</router-link>
						<a href="javascript:;">我的购物车</a>
						<a href="javascript:;">我的尚品汇</a>
						<a href="javascript:;">尚品汇会员</a>
						<a href="javascript:;">企业采购</a>
						<a href="javascript:;">关注尚品汇</a>
						<a href="javascript:;">合作招商</a>
						<a href="javascript:;">商家后台</a>
					</div>
				</div>
			</div>
			<!--头部第二行 搜索区域-->
			<div class="bottom">
				<h1 class="logoArea">
					<router-link to="/home" class="logo" title="尚品汇">
						<img src="@/assets/logo.png" alt="" />
					</router-link>
				</h1>
				<div class="searchArea">
					<form action="###" class="searchForm">
						<input type="text" id="autocomplete" class="input-error input-xxlarge" v-model="keyword" />
						<button class="sui-btn btn-xlarge btn-danger" type="button" @click="goSearch">搜索</button>
					</form>
				</div>
			</div>
		</header>
	</div>
</template>

<script>
export default {
	name: 'Header',
	data() {
		return {
			keyword: ''
		};
	},
	computed: {
		userName() {
			return this.$store.state.user.userInfo.name;
		}
	},
	methods: {
		/**
		 * 跳转到search页面
		 */
		goSearch() {
			// 整理参数
			let location = {
				name: 'search',
				params: {
					keyword: this.keyword
				}
			};
			// 判断url中是否有query参数，有的话要携带上
			if (this.$route.query) {
				location.query = this.$route.query;
			}
			// 跳转页面
			this.$router.push(
				location,
				() => {},
				() => {}
			);
		},
		/**
		 * 清空输入框文字
		 */
		removeKeyword() {
			this.keyword = '';
		},
		/**
		 * 退出登录
		 */
		async logout() {
			// 退出登录需要做的事情
			// 1.需要发请求，通知服务器退出登录【清除一些数据，token】
			// 2.清除本地存储的数据【userInfo，token】
			try {
				// 退出成功
				await this.$store.dispatch('logOut');
				// 回到首页
				if (this.$route.path !== '/home') {
					this.$router.push('/home');
				}
			} catch (error) {
				console.log(error);
			}
		}
	},
	mounted() {
		this.$bus.$on('removeKeyword', () => {
			this.keyword = '';
		});
	}
};
</script>

<style scoped lang="less">
.header {
	& > .top {
		background-color: #eaeaea;
		height: 30px;
		line-height: 30px;

		.container {
			width: 1200px;
			margin: 0 auto;
			overflow: hidden;

			.loginList {
				float: left;

				p {
					float: left;
					margin-right: 10px;

					.register {
						border-left: 1px solid #b3aeae;
						padding: 0 5px;
						margin-left: 5px;
					}
				}
			}

			.typeList {
				float: right;

				a {
					padding: 0 10px;

					& + a {
						border-left: 1px solid #b3aeae;
					}
				}
			}
		}
	}

	& > .bottom {
		width: 1200px;
		margin: 0 auto;
		overflow: hidden;

		.logoArea {
			float: left;

			.logo {
				img {
					width: 50px;
					height: 50px;
					margin: 25px 45px;
				}
			}
		}

		.searchArea {
			float: right;
			margin-top: 35px;

			.searchForm {
				overflow: hidden;

				input {
					box-sizing: border-box;
					width: 490px;
					height: 32px;
					padding: 0px 4px;
					border: 2px solid #ea4a36;
					float: left;

					&:focus {
						outline: none;
					}
				}

				button {
					height: 32px;
					width: 68px;
					background-color: #ea4a36;
					border: none;
					color: #fff;
					float: left;
					cursor: pointer;

					&:focus {
						outline: none;
					}
				}
			}
		}
	}
}
</style>
